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Seg7Decoder.v
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`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
// Company:
// Engineer:
//
// Create Date: 16:16:03 04/11/2014
// Design Name:
// Module Name: Seg7Decoder
// Project Name:
// Target Devices:
// Tool versions:
// Description:
//
// Dependencies:
//
// Revision:
// Revision 0.01 - File Created
// Additional Comments:
//
//////////////////////////////////////////////////////////////////////////////////
module Seg7Decoder(
input [1:0] SEG_SELECT_IN,
output reg [3:0] SEG_SELECT_OUT,
input [3:0] BIN_IN,
output reg [7:0] HEX_OUT,
input DOT_IN
);
always@(SEG_SELECT_IN) begin
case(SEG_SELECT_IN)
2'b00 : SEG_SELECT_OUT <= 4'b1110 ;
2'b01 : SEG_SELECT_OUT <= 4'b1101 ;
2'b10 : SEG_SELECT_OUT <= 4'b1011 ;
2'b11 : SEG_SELECT_OUT <= 4'b0111 ;
default: SEG_SELECT_OUT <= 4'b1111 ;
endcase
end
always@(BIN_IN or DOT_IN) begin
case(BIN_IN)
4'h0 : HEX_OUT[6:0] <= 7'b1000000;
4'h1 : HEX_OUT[6:0] <= 7'b1111001;
4'h2 : HEX_OUT[6:0] <= 7'b0100100;
4'h3 : HEX_OUT[6:0] <= 7'b0110000;
4'h4 : HEX_OUT[6:0] <= 7'b0011001;
4'h5 : HEX_OUT[6:0] <= 7'b0010010;
4'h6 : HEX_OUT[6:0] <= 7'b0000010;
4'h7 : HEX_OUT[6:0] <= 7'b1111000;
4'h8 : HEX_OUT[6:0] <= 7'b0000000;
4'h9 : HEX_OUT[6:0] <= 7'b0011000;
4'hA : HEX_OUT[6:0] <= 7'b0001000;
4'hB : HEX_OUT[6:0] <= 7'b0000011;
4'hC : HEX_OUT[6:0] <= 7'b1000110;
4'hD : HEX_OUT[6:0] <= 7'b0100001;
4'hE : HEX_OUT[6:0] <= 7'b0000110;
4'hF : HEX_OUT[6:0] <= 7'b0001110;
default: HEX_OUT[6:0] <= 7'b1111111;
endcase
HEX_OUT[7] <= ~DOT_IN;
end
endmodule